1211232122222 has 8 divisors (see below), whose sum is σ = 1923721605936. Its totient is φ = 569991586912.

The previous prime is 1211232122213. The next prime is 1211232122237. The reversal of 1211232122222 is 2222212321121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17812237058 + ... + 17812237125.

It is an arithmetic number, because the mean of its divisors is an integer number (240465200742).

Almost surely, 2^{1211232122222} is an apocalyptic number.

1211232122222 is a deficient number, since it is larger than the sum of its proper divisors (712489483714).

1211232122222 is a wasteful number, since it uses less digits than its factorization.

1211232122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35624474202.

The product of its digits is 768, while the sum is 23.

Adding to 1211232122222 its reverse (2222212321121), we get a palindrome (3433444443343).

The spelling of 1211232122222 in words is "one trillion, two hundred eleven billion, two hundred thirty-two million, one hundred twenty-two thousand, two hundred twenty-two".